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Color contact lens taking scales of morphidae wings as pigment and manufacture method thereof

A contact lens and morpho technology, applied in glasses/goggles, optics, instruments, etc., can solve the problems of hindering the exchange of oxygen and water molecules, affecting the appearance of the lens, and the pigment layer is easy to fall off, etc., to achieve the effect of improving color stability

Inactive Publication Date: 2013-06-12
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two coloring methods are inseparable from the pigment layer, but the existence of the pigment layer hinders the exchange of oxygen and water molecules in the air between the human eye and greatly reduces the oxygen permeability and moisture retention of the lens.
At the same time, the pigment layer is easy to fall off, which makes the color stability of the lens poor. While affecting the appearance of the lens, the biological toxicity of the pigment itself will also bring harm to human eye health.

Method used

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  • Color contact lens taking scales of morphidae wings as pigment and manufacture method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Example 1 Preparation of colored contact lenses directly using butterfly scales 1 as pigment:

[0035] 1. Acquisition of Morpho butterfly wing scale 1:

[0036] Take the brightly colored part of the Morpho butterfly's wing and smash it to get the Morpho butterfly wing scale 1;

[0037] 2. Preparation of hydrogel prepolymer solution for colored contact lenses:

[0038] The morpho butterfly scale 1 obtained in step (1) is directly used as a contact lens hydrogel to add pigment, and it is mixed into the hydrogel prepolymer solution of the contact lens body to obtain a colored contact lens hydrogel prepolymer solution.

[0039] 3. Curing steps of lens 2 with flake 1 as pigment:

[0040] The colored contact lens hydrogel prepolymer solution obtained in step (2) is dotted on the iris area of ​​the lens 2 mold, and the lens 2 is obtained after ultraviolet or thermal polymerization.

Embodiment 2

[0041] Example 2 Preparation of colored contact lenses with butterfly scales 1 after hydrophilic treatment as pigment:

[0042] 1. Obtaining Morpho Butterfly Wing Scale 1:

[0043] Take the brightly colored part of the Morpho butterfly's wing and smash it to get the Morpho butterfly wing scale 1.

[0044] 2. Preparation of hydrogel prepolymer solution for colored contact lenses:

[0045] The morpho butterfly scale 1 obtained in step (1) is used after surface hydrophilic treatment, and mixed into the hydrogel prepolymer solution of the contact lens body to obtain the hydrogel prepolymer solution of the colored contact lens.

[0046] 3. Curing steps of lens 2 with flake 1 as pigment:

[0047] The colored contact lens hydrogel prepolymer solution obtained in step (2) is dotted on the iris area of ​​the lens 2 mold, and the lens 2 is obtained after ultraviolet or thermal polymerization.

Embodiment 3

[0048] Example 3 Performance test of colored contact lenses using butterfly wing scale 1 as pigment:

[0049] 1. Light transmission test:

[0050] The color contact lens with butterfly wing scale 1 as the pigment was selected as the test object, and the light transmittance test was carried out on the pupil area, and the result showed that the light transmittance of white light was above 95%;

[0051] 2. Water content test:

[0052] After the contact lens material is saturated with water, the moisture accounts for 42%-60% of the total weight, and the lens 2 belongs to the lens 2 containing medium water.

[0053] 3. Lens 2 Center Thickness Test:

[0054] The central pupil area of ​​the lens 2 was selected, and its thickness was measured to be 0.06 mm. The result showed that the lens 2 belonged to a medium-standard lens 2 .

[0055] 4. Cytotoxicity test of lenses:

[0056] The test adopts the ISO9363-1 method to observe the safety performance of lens 2 by examining the cytoto...

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Abstract

The invention discloses a color contact lens taking scales of morphidae wings as a pigment and a manufacture method thereof. The color contact lens takes scales of natural morphidae wings as pigment of the lens, so that the iris zone of a color contact lens is studded with the scales of natural morphidae wings, and the dimension of the scales of natural morphidae wings is 2 to 200 micrometers. According to the color contact lens and the manufacture method thereof, a physical color forming mode is utilized, and the bright-colored structural color of the scales of butterfly wings is adopted to accomplish the color forming process of the lens, sp that the color stability, biocompatibility and safety of the lens are improved, and the color contact lens is good in practicability and wide in market prospect.

Description

technical field [0001] The invention relates to the technical field of research on color contact lens materials, in particular to a color contact lens using morpho butterfly wing scales as a pigment and a preparation method thereof. Background technique [0002] With the development of society, colored contact lenses are becoming more and more popular among young people. While correcting our vision, they can also beautify our eyes. Contact lens technology is the crystallization of high technology, it is more portable and beautiful than frame glasses and has expandable functions. Currently, about 75 million people around the world wear contact lenses to correct vision or beautify the eyes. [0003] However, the quality problems of colored contact lenses occur frequently at present, and the main reason is related to its coloring method. Colored contact lenses on the market are made of pigments, and there are two main preparation methods, printing and dyeing and sandwiching. ...

Claims

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Application Information

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IPC IPC(8): G02C7/04
Inventor 赵远锦李婷婷王洁郭刘洋顾忠泽
Owner SOUTHEAST UNIV
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